Omega | OM-93 | Owner Manual | Omega OM-93 Owner Manual

Omega OM-93 Owner Manual
SM
Extended Warranty
Program
User’s Guide
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e-mail: info@omega.com
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OM-93
OMEGA® Bluetooth® Wireless
Temperature / Humidity Data
Logger
M5543/0216
omega.com info@omega.com
Servicing North America:
U.S.A.:
Omega Engineering, Inc., One Omega Drive, P.O. Box 4047
Stamford, CT 06907‐0047 USA
Toll‐Free: 1‐800‐826‐6342 (USA & Canada only)
Customer Service: 1‐800‐622‐2378 (USA & Canada only)
Engineering Service: 1‐800‐872‐9436 (USA & Canada only)
Tel: (203) 359‐1660 Fax: (203) 359‐7700
e‐mail: info@omega.com
For Other Locations Visit omega.com/worldwide
The Bluetooth® word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by Omega Engineering, Inc.
is under license. Other trademarks and trade names are those of their
respective owners.
iPhone®, iPad®, and iPad-mini® are trademarks of Apple, Inc. registered in
the U.S. and other countries.
Windows® is a registered trademark of Microsoft Corporation in the United
States and other countries.
User Guide
Contents
1.
Document Overview ............................................................................................................... 2
2.
Product Overview ................................................................................................................... 3
3.
Technical Specifications .......................................................................................................... 5
4.
Buttons and LED Indicators ..................................................................................................... 6
5.
Packaging List ....................................................................................................................... 7
6.
USB Operation ....................................................................................................................... 8
6.1.
Installation of the PC Application (Windows) ....................................................................... 8
6.2.
Front Page ..................................................................................................................... 9
6.3.
Main Page .................................................................................................................... 10
6.4.
Configuration of a OM-93 Logger (Start on Disconnection) ................................................. 11
6.5.
Saving a Configuration File ............................................................................................. 13
6.6.
Loading a Configuration from File .................................................................................... 14
6.7.
Retrieving Logged Data .................................................................................................. 15
6.8.
Viewing Logged Data from File ........................................................................................ 16
6.9.
Configuration of a OM-93 Logger (Start at Specified Time) ................................................. 18
6.10.
Configuration of a OM-93 Logger (Start using Button Press) ............................................... 19
6.11.
Configuration of a OM-93 Logger (Real Time Logging) ....................................................... 20
6.12.
Opening Excel ............................................................................................................... 21
6.13.
Writing PDF reports ....................................................................................................... 22
7.
iPhone® Operation ............................................................................................................... 24
7.1.
Installation of the iPhone® Application ............................................................................. 24
7.2.
Searching for OM-93 loggers .......................................................................................... 25
7.3.
Connecting to your logger .............................................................................................. 25
7.4.
Configuring the logger ................................................................................................... 27
7.5.
Downloading data ......................................................................................................... 28
7.6.
Viewing data graphed .................................................................................................... 29
7.7.
Saving data to the iPhone .............................................................................................. 30
7.8.
Opening data from the iPhone ........................................................................................ 31
7.9.
Emailing data files ......................................................................................................... 33
7.10.
Disconnecting from the logger ........................................................................................ 34
8.
USB and iPhone® App Connection/Disconnection Behaviour ....................................................... 35
9.
Mounting Guidelines ............................................................................................................. 35
10.
Battery Charging .............................................................................................................. 35
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1.
Document Overview
This guide is provided to distribute the following information:

the main features of the OM-93 logger

how to install the PC Application for the logger

how to use the PC application for configuration, data extraction and data viewing

how to install the iPhone® Application

how to use the iPhone® application for configuration, data extraction and data viewing

how to mount your OM-93 logger

how to charge the battery within your OM-93 logger

contact information should you have further technical questions
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2.
Product Overview
The OM-93 logger is a portable wireless logger from Omega. The OM-93 logger can be connected either
via a USB cable to a Windows® PC application or using Bluetooth wireless technology to your iPhone®,
iPad® or iPad mini®. Both Windows® PC and iPhone® applications offer a simple means of configuring the
logger, data extraction and data viewing features.
Figure 1: Introducing the Omega OM-93 Logger, PC and iPhone applications
The OM-93 logger can be used for a number of transportation applications including:






sensitive/fragile items
food
animal/livestock
plants
chemicals
medicines or organs
It can also be used in situations where it is simply not convenient to make a cable connection to a
Windows® PC. Suppose for example you are storing some vaccines or chemicals in some environmental
chamber and would like to ensure temperature and humidity conditions are kept within acceptable levels
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over time. By mounting a OM-93 logger inside the chamber then one can periodically come near to the
chamber, connect to the logger from an iPhone®, download the most recent data, email the recorded
data and configure the logger to continue logging. This can happen wirelessly and without opening the
chamber and affecting environmental conditions.
The OM-93 logger operates in an ultra low power mode even when logging temperature and humidity and
can still be connected to wirelessly without any physical touching of the logger. The logger can operate in
this fashion for 6 months from a fully charged battery. The rechargeable battery may be charged either
by connection to USB on a computer or using a mains/USB power cable.
The OM-93 offers accurate and repeatable logging for temperature and relative humidity. Temperature is
measured to an accuracy of +0.3oC over the range +5oC to +60oC. Over the full range -20oC to +60oC
the accuracy is +2.0oC. Relative humidity is measured to an accuracy of +2.0% over 20% to 80%
humidity range and +3.0% over 0% to 100%. Both temperature and relative humidity are logged at a
user configurable logging rate which can be set in the PC application program or iPhone application.
Figure 2: OM-93 Alarm Indicators
When you would like to guarantee that conditions are within particular environmental limits then one can
also set operating ranges above or below which light indicators will be activated so that the user can
become aware that the desired environmental conditions have been exceeded.
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3.
Technical Specifications


Temperature range
Temperature accuracy (limited range)


Temperature accuracy (-20oC to +60oC)
Temperature resolution
-20oC to +60oC (-4o F to 140o F)
+0.3oC (+5oC to +60oC)
+0.5o F (41oF to 140oF)
see accuracy curve in figure 3
0.04oC (0.08o F)




Humidity range
Relative humidity accuracy (limited range)
Relative humidity accuracy (0% to 100%)
Relative humidity resolution
0% to 100%
+2.0% (20% to 80%)
see accuracy curve in figure 3
0.1%


Temperature alarms (minimum & maximum)
Relative humidity alarms (minimum & maximum)


Battery
Battery life
Rechargeable LiPo
6 months (before needing recharging)

Physical size
50mm x 68mm x 20mm

PC application available on Windows XP, Vista, Windows 7,
Windows 8 and Mac

Mobile application supported on iPhone®, iPad® and iPad
mini® mobile digital devices using iOS7 and iOS8.

Wireless connection range
12 meters

Logging space
40,000 samples
Figure 3: Temperature and Humidity Accuracy
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4.
Buttons and LED Indicators
The OM-93 logger includes one button located on the side of the logger. It is possible by configuration in
the PC or iPhone® application to use this button as a way to start and stop logging. See sections 6.11 and
7.4 of this User Manual regarding configuring for button press start.
Figure 4: OM-93 Logger Start/Stop Button
The logger contains three LED indicators with the following functionality:
Status LED



When the logger starts logging then this LED pulses green once for 1 second.
When logging this LED pulses green for 7 milliseconds and off for 6 seconds.
When the logger stops then this LED pulses red for 1 second then off forever.
Bluetooth Connected LED

This LED is blue when the logger is connected to a mobile device.
Alarm LED


When a temperature or humidity alarm is triggered this LED pulses red for 7 milliseconds and off
for 6 seconds.
When connected to USB cable this LED is red continuously when the logger is still charging and
green when fully charged.
Figure 5: OM-93 LED indicators
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5.
Packaging List
Your Omega OM-93 logger comes standard with the following items.

One OM-93 Logger unit
Figure 6: OM-93 Logger Unit

One USB cable – type A to micro-USB type B
Figure 7: USB Cable
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6.
USB Operation
The OM-93 logger can be configured, data downloaded and further analysed by connection to a PC or Mac
using a USB cable and the OM-90 Series Data Logger Software. The process for this is described in this
section. The logger can similarly be configured by the iPhone® wireless device application as described in
section 7.
6.1.
Installation of the PC Application (Windows)
Installation of the OM-90 Series Data Logger Software is very simple. The OM-93 needs no special drivers
since it is a USB HID device and such devices can make use of the standard drivers that come with
Windows. The software is located on the included CD or can be downloaded from the Omega website.
The PC application is a single application that can support all OM-90 series loggers including the OM-91,
OM-92 and the OM-93.
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6.2.
Front Page
When the OM-90 Series Data Logger Software is started the welcome screen appears and gives a brief
introduction to the OM-90 Series loggers and what they can be used for.



Click on the Configuration Wizard Button to start configuration of the logger.
Click on the View Logged Button if you want to view data graphically.
Click on the View Spreadsheet Button if you want to view logger data as a table.
Figure 8: OM-90 Series Data Logger Software
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6.3.
Main Page
The main page of the application GUI consists of a configuration pane, a graphical pane and a
spreadsheet pane. It is possible to have any of these enabled or disabled by the buttons located top left
in the window. The panes will automatically start in an enabled or disabled view depending on the
viewing mode select from the front page.
Figure 9: PC Application Main Page
Buttons are also included for saving/loading configuration and logged data to and from file.
There is also a button for selection between Celsius or Fahrenheit temperature scales.
A connection indication on the right hand side becomes blue when your application is connected to a OM93 logger and is greyed-out otherwise.
Icons are provided for opening in Excel and for generating PDF reports.
Finally a home icon provides a link back to the front page.
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6.4.
Configuration of a OM-93 Logger (Start on Disconnection)
Configuration of the OM‐93 logger starts by specifying the device name. Up to 16 characters is allowed in
the name.
Figure 10: Configuration Step (Start on Disconnection)
Next select the logger start to On Disconnection. There are other options (At Specified Time, Button Press
and Real Time Logging) which will be discussed in later sections of this manual.
Select the logging interval (this is the time between samples).
For temperature logging then one needs to enable or disable the logging. In the case the temperature
logging is enabled then one can also set alarm thresholds for which the alarm indication will signify that
temperature limits have been exceeded.
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Similarly for humidity one needs to enable or disable the logging and configure the alarm limits.
Finally to save the configuration setup to the OM‐93 logger, press the Configure Button.
Figure 11: Write Configuration to the Logger
Once configured the PC application will show the logger time will be synchronized to the PC time. The
logger firmware revision will also appear in the application.
Once you disconnect the logger from the PC, logging will start automatically and at the configured logging
interval. A green status LED will flash every 6 seconds to indicate that the unit is logging. The red alarm LED
will flash also in the case that the temperature or humidity goes outside of the allowed limits and triggers
the alarms.
If the logger becomes full then all LEDs will stop flashing.
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6.5.
Saving a Configuration File
Configurations can be saved to file so that you can use the configuration next time or if you have multiple
devices with the same configuration.
Saving a configuration file is just a matter of selecting the save icon and filling out the file name. If the
logger contains no logged data then it will only save the configuration settings. Configuration and logged
data is stored in Comma Separated Value (CSV) format.
Figure 12: Saving a Configuration to File
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6.6.
Loading a Configuration from File
Loading a configuration file from disk is just a matter of selecting the open icon and selecting the
configuration file name. This upload presents a simple way to configure multiple loggers with the same
configuration. This ensures a common configuration and saves time/effort when configuring multiple
devices.
Figure 13: Loading a Configuration from File
Remember to press the configuration button if you want the configuration data held in the GUI to be
written to your OM-93 logger.
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6.7.
Retrieving Logged Data
Data can be retrieved from the logger by connecting to the logger and then pressing the read button at
the bottom left of the GUI.
Both the device configuration and logged data will immediately become uploaded and viewable in the
configuration, graphical and spreadsheet views.
Zooming in and out of the graphs can be achieved by the following controls:

To Zoom In - Drag the left mouse button

To Zoom Out - Click the right mouse button

When zoomed in you can move around using the key-board arrows or the mouse scroll wheel
To write data and configuration to file, press the save icon. Data and configuration is then stored in
Comma Separated Value (CSV) format which can be edited by third party software such as Microsoft
Excel or read back into the OM-90 Series Data Logger Software at a later point.
Figure 14: Saving Logged Data to File
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6.8.
Viewing Logged Data from File
It is a simple matter to read back data from file (CSV format) into the GUI and view previous logs
graphically or using the spreadsheet views. Simply press the open icon and then select the file which you
would like to view.
Figure 15: Retrieving Logged Data from File
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Figure 16: Retrieving Logged Data from File (complete)
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6.9.
Configuration of a OM-93 Logger (Start at Specified Time)
You can configure a device so that it starts at a specific time. Configure as per section 6.4 but select At
Specified Time. Fill in the exact month, day, hour, minute and seconds when you want the logging to
start.
Remember to write the setup to the logger by pressing the Configure Button.
When you have disconnected the logger and the time reaches the desired start time for the logging then
the logger will begin to log. This is a perfect way to have multiple loggers start logging at exactly the
same time.
Figure 17: Configuration Step (Start at Specified Time)
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6.10. Configuration of a OM-93 Logger (Start using Button Press)
You can also configure the device so that it starts logging on a button press. Configure as per section 6.5
but select Button Press.
Remember to write the setup to the logger by pressing the Configure Button.
When you have disconnected the logger you can start logging by a simple button press. You will then see
it is logging because the green light starts flashing every 6 seconds. You can also stop it using a button
press – and all lights will stop flashing.
Figure 18: Configuration Step (Start using Button Press)
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6.11. Configuration of a OM-93 Logger (Real Time Logging)
You may also use your OM-93 Logger in Real Time Logging mode. Select the start logging to Real Time
Logging with the appropriate logging interval. Next press start. You will then see the PC application take
samples from the logger directly and display them on the table and graphs. This is a way to monitor
temperature and humidity conditions directly from your PC instead of using the remote logging.
Figure 19: Configuration Step (Real Time Logging)
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6.12.
Opening Excel
When the GUI has data, it is possible to press the Excel button
to show the data in Microsoft®
Excel. During this process the user needs to select if your version of Excel is expecting and "." or "," to
represent the number decimal point.
This capability assumes that Microsoft® Excel is installed on your PC. If not, then the option will not work.
This option is not available on the Mac® version of the GUI.
Figure 21: Opening Excel from the GUI
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6.13.
Writing PDF reports
When the GUI has data, a simple one-page PDF report
can be written to summarize the data in the
logger by way of statistics and as a graph. The PDF can be written either in US Letter page size of A4
page size. The user can enter one’s own notes at the footer of the PDF. PDFs are written to file and can
be opened by any standard PDF reader.
Figure 22: Writing a PDF report from the GUI
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Figure 23: A typical PDF report
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7.
iPhone® Operation
The OM-93 logger can be configured; data can be downloaded and further analyzed through wireless
connection from an iPhone®, iPad® or iPad mini® using the OM-93 iPhone® application. This process is
described in this section. The logger can similarly be configured by a Windows PC as described in section
6.
7.1.
Installation of the iPhone® Application
The OM-93 iPhone® Application is a free app found on Apple's App Store. Search for Omega OM-93
Application. Find it and download the application.
Figure 20: OM‐93 iPhone App on Apple’s App Store
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7.2.
Searching for OM-93 loggers
The OM-93 iPhone application requires that the Bluetooth® is enabled for the mobile device. If the
application is started and this is not the case then it will first ask to enable this. Once theOM-93
application is started then there is an option of scanning for all OM-93 loggers.
Figure 21: OM‐93 iPhone App – Searching
7.3.
Connecting to your logger
After searching the application will provide a list of all OM-93 devices that can be connected from your
mobile device. See figure 22. Select one of the devices within range.
The first time the iPhone application discovers a OM-93 logger, it will mark it as "-undiscovered-". Upon
connecting and thereafter it will use the logger name found when the application recovers it from the
logger.
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Figure 22: OM‐93 iPhone App – Connecting to a device
Upon successful connection the logger’s Bluetooth® Connected LED turns blue. On the application the
connected icon turns green. Also the application starts showing in real time the temperature and
humidity from the logger.
Figure 23: OM‐93 iPhone App – Logger Connected
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7.4.
Configuring the logger
To configure a logger one needs to go to the Configure screen.
Figure 24: OM‐93 iPhone App – Configuration Screen
Next fill out all desired settings including:
 the name of the logger
 the logging start mode
o on disconnection
o by button press
o at specified start time
 the logging interval
 enabling/disabling of temperature logging
 enabling/disabling of humidity logging
 temperature units (Fahrenheit or Celsius)
 temperature alarms levels (upper and lower)
 humidity alarms levels (upper and lower)
Once all configuration is as required then press send to download all settings to the logger.
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7.5.
Downloading data
After connecting to a logger that has collected data then to download the data, select Download Logger
from the Connected screen.
The application then moves to the Data screen and all data appears as a list of all sample points
collected.
Figure 26: OM‐93 iPhone App – Downloading Data
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7.6.
Viewing data graphed
Once data is read into the application it is possible to view the data graphically from the Graph screen.
Zooming is controlled by finger movement (Apple’s usual pinch out to zoom in and pinch in to zoom out).
Figure 27: OM‐93 iPhone App – Graphing Data
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7.7.
Saving data to the iPhone
Data can be saved to the iPhone from the Data screen. Select the option to the top of the application and
then select Save to File. You will then be prompted for the file name.
This saves data to the phone in case there is no Wifi or Cellular connection.
Figure 28: OM‐93 iPhone App – Saving Data to the iPhone
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7.8.
Opening data from the iPhone
You can read data back from the iPhone to the application. Select the option to the top of the application
and then select Open from File.
Figure 29: OM‐93 iPhone App – Retrieving Data from the iPhone
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To delete from the file list swipe left on the desired file.
Figure 30: OM-93 iPhone App – Deleting a stored file
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7.9.
Emailing data files
You can email data contained within the iPhone® application. Select the option to the top of the
application and then select Send to e-mail.
Please note that in order for the application to use the emailing function your iPhone® or iPad® will need
to be setup with at least one email account.
Figure 31: OM‐93 iPhone App – Emailing Data
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7.10. Disconnecting from the logger
To disconnect from the logger either select Disconnect on the Connected screen or just close the
application. The Blue LED will turn off indicating the logger disconnected state. Having the application
sent to the background is also sufficient to close connection to the logger.
Figure 32: OM‐93 iPhone App – Disconnection
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8.
USB and iPhone® App Connection/Disconnection Behaviour
As a rule the OM-93 logger will stop logging when it is either connected to via USB or if it is connected to
from the iPhone® application. Upon disconnection of either the USB or iPhone® connection the OM-93
logger will resume logging if it was previously logging at the time of the connection.
9.
Mounting Guidelines
There is no particular limitation with regard to transporting your Omega OM-93 logger. The logger may
be fastened to a transportation container or loosely packed.
It is recommended however to keep some air space around the ventilation slots on the logger or else the
logger may take longer to track humidity and temperature changes.
10. Battery Charging
Your Omega OM-93 logger includes a Lithium Polymer (LiPo) rechargeable battery. The Battery
automatically charges by connection to any USB source such as a PC or Mac.
It is also possible to charge using a USB mains charger.
Figure 24: USB Mains Charger
When running the logger while connected to USB power the logger will be charging the rechargeable
battery. A consequence of this is that the logger will itself dissipate some heat and therefore affect
temperature readings. For highest logger accuracy always run without USB power connected.
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WARRANTY/DISCLAIMER
OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a
period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month
grace period to the normal one (1) year product warranty to cover handling and shipping time. This
ensures that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser,
including but not limited to mishandling, improper interfacing, operation outside of design limits,
improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of
having been tampered with or shows evidence of having been damaged as a result of excessive corrosion;
or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating
conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not
limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for
any damages that result from the use of its products in accordance with information provided
by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the
company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF
TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF
LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of
OMEGA with respect to this order, whether based on contract, warranty, negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the
component upon which liability is based. In no event shall OMEGA be liable for
consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic
Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical
applications or used on humans. Should any Product(s) be used in or with any nuclear installation or
activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility
as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify
OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the
Product(s) in such a manner.
RETURN REQUESTS/INQUIRIES
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.
BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED
RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID
PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return
package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.
FOR NON-WARRANTY REPAIRS, consult
FOR WARRANTY RETURNS, please have the
OMEGA for current repair charges. Have
following information available BEFORE contacting
the following information available BEFORE
OMEGA:
contacting OMEGA:
1. Purchase Order number under which the product
1. Purchase Order number to cover the COST
was PURCHASED,
of the repair,
2. Model and serial number of the product under
2. Model and serial number of the product, and
warranty, and
3. Repair instructions and/or specific problems
3. Repair instructions and/or specific problems
relative to the product.
relative to the product.
OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords
our customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2016 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,
reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the
prior written consent of OMEGA ENGINEERING, INC.
Where Do I Find Everything I Need for
Process Measurement and Control?
OMEGA…Of Course!
Shop online at omega.comSM
TEMPERATURE
Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies
Wire: Thermocouple, RTD & Thermistor
Calibrators & Ice Point References
Recorders, Controllers & Process Monitors
Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
Transducers & Strain Gages
Load Cells & Pressure Gages
Displacement Transducers
Instrumentation & Accessories
FLOW/LEVEL
Rotameters, Gas Mass Flowmeters & Flow Computers
Air Velocity Indicators
Turbine/Paddlewheel Systems
Totalizers & Batch Controllers
pH/CONDUCTIVITY
pH Electrodes, Testers & Accessories
Benchtop/Laboratory Meters
Controllers, Calibrators, Simulators & Pumps
Industrial pH & Conductivity Equipment
DATA ACQUISITION
Data Acquisition & Engineering Software
Communications‐Based Acquisition Systems
Plug‐in Cards for Apple, IBM & Compatibles
Data Logging Systems
Recorders, Printers & Plotters
HEATERS
Heating Cable
Cartridge & Strip Heaters
Immersion & Band Heaters
Flexible Heaters
Laboratory Heaters
ENVIRONMENTAL
MONITORING AND CONTROL
Metering & Control Instrumentation
Refractometers
Pumps & Tubing
Air, Soil & Water Monitors
Industrial Water & Wastewater Treatment
pH, Conductivity & Dissolved Oxygen Instruments
M5543/0216
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